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Gall type #17
Russo (2021) Page 159, Plate 234. [Little Cup Gall Wasp, Unknown #28]
Along midrib vein, underside of leaf, 1.5 - 2mm diameter.
Have seen on Quercus vacciniifolia and Quercus chrysolepis, but galls from the two different
hosts appear somewhat different and it's not clear if they are the same species.
Calaveras and Glenn Counties (California)
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IMAGE 1
November 24, 2007
Calaveras County
Host Quercus vacciniifolia.
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IMAGE 2
November 6, 2007
Calaveras County
Host Quercus vacciniifolia.
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IMAGE 3
November 24, 2007
Calaveras County
Host Quercus vacciniifolia.
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IMAGE 4
November 24, 2007
Calaveras County
Host Quercus vacciniifolia.
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IMAGE 5
Emerged from gall
collected Nov 2007.
June 7, 2008
Calaveras County
Host Quercus vacciniifolia.
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The galls below (Images #6-8) from Quercus chrysolepis may be induced by a different species than the galls on Quercus vacciniifolia above.
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IMAGE 6
May 23, 2012
Glenn County
Host Quercus chrysolepis.
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IMAGE 7
May 23, 2013
Glenn County
Host Quercus chrysolepis.
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IMAGE 8
May 23, 2013
Glenn County
Host Quercus chrysolepis.
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IMAGE 9
May 23, 2013
Glenn County
Host Quercus chrysolepis.
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